Chang Jin Choi, Kang Sook Lee, Sang Hong Baek, Ki Bae Seung, Wook Sung Chung, Jang Seong Chae, Kwang Ho Meng, Kyu Bo Choi

Korean Circ J.2001;31(10):973-981.   Published online 2001 October 31     DOI: http://dx.doi.org/10.4070/kcj.2001.31.10.973